kitio.aiGPT4All vs oMLX
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. GPT4All starts at Free and oMLX starts at Free. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Offline model runner
- Chat with local documents
- Large model catalog
- Windows, macOS and Linux apps
- Custom model settings
- Paged SSD KV cache
- OpenAI and Anthropic APIs
- Continuous batching
- Multi-model serving
- Menu bar app
- Tool calling and MCP
| Feature | GPT4All | oMLX |
|---|---|---|
| Best for | Desktop app for chatting with open-source LLMs fully offline | Native macOS LLM server with SSD KV caching for coding agents |
| Category | Models & APIs | Models & APIs |
| Pricing model | Free | Free |
| Starting price | Free | Free |
| Free plan | Yes, fully free | Yes, fully free |
| Made by | Nomic AI | oMLX |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
GPT4All starts at Free and oMLX starts at Free. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
GPT4All
- Runs entirely on your device
- Free and open source
- Chat with local files via LocalDocs
- Speed depends on your hardware
- Local models trail top cloud models
- Maker's focus has shifted to other products
oMLX
- Fast repeat turns for coding agents
- Drop-in API for common tools
- Free and open source
- Only runs on Apple Silicon Macs
- Requires macOS 15 or later
- Large models need lots of memory
Which one should you choose?
Choose GPT4All if you want:
- Runs entirely on your device
- Free and open source
- Chat with local files via LocalDocs
Watch out: speed depends on your hardware.
Choose oMLX if you want:
- Fast repeat turns for coding agents
- Drop-in API for common tools
- Free and open source
Watch out: only runs on apple silicon macs.
GPT4All vs oMLX FAQ
What is the difference between GPT4All and oMLX?
GPT4All: Desktop app for chatting with open-source LLMs fully offline. oMLX: Native macOS LLM server with SSD KV caching for coding agents. Both are models & apis tools.
Is GPT4All or oMLX cheaper?
GPT4All starts at Free and oMLX starts at Free. Check both pricing pages for current plans.
Do GPT4All and oMLX have free plans?
GPT4All: Yes, fully free. oMLX: Yes, fully free.
Who makes GPT4All?
GPT4All is made by Nomic AI, based in United States.
Who makes oMLX?
oMLX is made by oMLX.
Which should I choose, GPT4All or oMLX?
Choose GPT4All if you value runs entirely on your device and free and open source. Choose oMLX if you value fast repeat turns for coding agents and drop-in api for common tools.